The characteristics of these VM types are summarized below: This reference architecture recommends two VM families for Indexers, the general-purpose Dds_v4 family or the storage-optimized Ls_v2 family. This ensures that each Availability Zone contains a searchable copy of all indexed data. It is also recommended to assign each Indexers site according to Availability Zone of the Indexer VM, for more information on Splunk’s site concept please refer to Splunk’s documentation. It is recommended to set both Indexer Replication Factor and Search Factor to at least 3, with one copy per site. It is recommended to deploy Splunk Indexer Clusters across 3 Availability Zones for maximum availability, providing a financially backed SLA of 99.99% uptime of the Indexer cluster. The Cluster Master manages configuration for the Indexers and also manages replication of data between clustered nodes and sites to ensure that the number of copies of data in the cluster meets the search and replication factors. The Cluster Master is the Splunk Enterprise instance that manages an Indexer Cluster. Splunk Indexer Virtual Machines (VMs) can be deployed as an Indexer Cluster to enable horizontal scalability and high availability of the Indexer component. The Indexer also performs searches against indexed data in response to search requests. Indexers & Cluster MasterĪn Indexer is the Splunk Enterprise component that indexes data transforms raw data into events and writes them to disk. Core Splunk Enterprise components include Indexers, and Cluster Master, Search Heads and Search Head Deployer, Monitoring Console and License Master. This section describes the core Splunk Enterprise components and relevant Azure-specific guidance including recommended VM families. Deploy Splunk Enterprise on Azure reference implementation.This documentation provides detailed guidance to support the deployment of Splunk Enterprise on Azure in line with Splunk Validated Architectures and the following key priorities:
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